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- The qualities of reconstructed images from single amplitude hologram, single kinoform, and kinoform sequence calculated by M-FrFT are compared. 将该相息图序列的再现像进行叠加,以抑制再现像的散斑噪声。
- The axial source images, SSD and MIP reconstructed images of the CTA were reviewed and correlated with surgical findings. 在电脑断层血管摄影影像中,我们将床突上部内颈动脉血管瘤与后交通动脉之关系分为四种类型。
- At last, we do the experiment using the dose analytic system based on film for radiation therapy, and some dose distributions reconstructed images are given. 最后,我们对基于胶片的放射治疗剂量分析系统进行了实验,给出了重建的剂量分布图。
- Constellation reconstructs images as starlike points of light. 星座 重建图像作为光的星形的点。
- The experimental results indicate that PSNR of the reconstructed images based on integer scheme is improved more than 1dB than that of the reconstructed images based on float scheme. 然后利用得到的分解矩阵对视频序列进行变换,最后将得到的系数用基于稳健统计的矢量量化方法进行量化编码。
- Cooculusions SCT combined with 3- dimensional reconstructed images are more useful than low magnetic field MRI in the assessment of aortic a-neurysm and can provide more informaton for the surgeons. 结论SCT及三维重建技术的联合应用较低场MRI更能明确主动脉瘤的病变,对帮助和指导手术更具有价值。
- Rainbow holography is a major method in white-light holography, which is lack of vertical parallax due to introducing a slit that reduces the view zone of reconstructed images in recording process. 利用彩虹全息是实现白光全息的常用方法,由于记录过程中引入狭缝使得再现像的视场非常狭小,且只有水平视差。
- The LCD black-matrix effect on the reconstructed image of a CGH was analyzed through theoretical deducing. 通过理论推导,具体分析了LCD黑栅效应对全息再现像的影响;
- Results In 46 cases,excellent 3D reconstructed images were obtained by using multiplanar reconstruction(MPR)and surface shaded display(SSD)technique. 结果46例均经多层面重建术(MPR)和SSD重建技术显示出满意的三维重建图像。
- The result of simulation experiment shows that the reconstructed image is better than those traditional SVQ and VQ in PSNR and perception. 模拟实验结果表明 ,在相同的压缩比的情况下 ,信噪比要优于传统的矢量量化 (VQ)和子帧矢量量化 (SVQ) ,且重构图像的主客观效果良好
- Furthermore, for human visual perception, the scaling JND model is developed to optimize the reconstructed image quality. 因此,根据人眼感知的特性,我们提出来可支援缩放比例的JND模组来最佳化重建影像的品质。
- The simulation results show that the buffer fullness tend to be stabilized and the PSNR of the reconstructed image is raised. 仿真结果表明:该文提出的方法有效地平滑了缓冲器的输出,同时峰值信噪比也有所提高。
- Only one digital hologram is needed to reconstruct hologram of tiny object.It is possible to realize real-time reconstruction images in digital holographic microscopy. 这种方法只需一幅数字全息图就可得到微小物体的再现像,它使数字全息显微实现实时再现成为可能。
- The physical validity based lossy compression algorithms are usually accompanied with VOP structural distortion, leading to the degradation of the reconstructed image quality. 基于物理真实的有损压缩往往伴随有VOP结构形变,导致重构图像质量下降。
- Since each description included part or all information of the odd and even position coefficients, the reconstructed image from any single channel would have acceptable fidelity. 由于每个描述都包含了奇数位系数和偶数位系数的部分或全部信息,因此,接收到一个信道的信息就可以重建出一定质量的图像。
- OSEM has good reconstructed image quality and uses less computation time.Overrelaxation technique has adjustable relaxed parameters and speeded convergence function. 有序子集最大期望法(OSEM)具有较高的重建图像质量和较短的计算时间,超松弛因子(OR)有可灵活调节超松弛因子和加速收敛两种功效。
- From the reconstructed image and the original color similarity can be divided into caihong bolographic pseudo-color caihong bolographic caihong bolographic and true color. 从表示像与原物色彩之间的异同,彩虹残息又可不合为假不黑白彩虹残息和假不黑白彩虹残息两类。
- The reconstruction images of MIP, MPR, CVR, HRCT, 3D, CT virtual endoscopy, and variety of interval reconstruction were compared. 作不同厚度的重建间隔对比和后处理图像最大密度投影 (MIP)、计算机容积摄影 (CVR)、多平面重建 (MPR)、高分辨率CT(HRCT)、三维成像(3D)、仿真支气管镜等效果比较。
- It has the advantage of fast implementation and enhances reconstructed image quality compared to JPEG2000 at the same bit rate in terms of both PSNR and the perceptual results. 此新方法具有快速处理之特性,同时也能达到相当高的压缩比,在同样压缩率下可以比新的静态影像压缩标准JPEG2000有较佳的讯号杂讯比。
- The results shows that under the same conditions the later can obtain a reconstructed image with its quality higher than that of the former(except for receiving all the desc... 仿真结果证明,后者比前者在相同的条件(除所有描述都接收的情况)下能得到质量更高的重构图像,提高了数据传输的鲁棒性。